It’s been a weirdly warm winter in many parts of the country. But the Northeast is getting walloped by a major blizzard this weekend, and we’re willing to bet there’ll be a few more Arctic blasts in store for all of us before spring finally hits. Here’s the AAP’s tips for how to bundle up your baby during the day and at night to keep her warm, cozy, and safe.

Think layers. Dress infants and children warmly for outdoor activities. Several thin layers will keep them dry and warm. Don’t forget warm boots, gloves or mittens, and a hat.

When in doubt, go warmer. The rule of thumb for older babies and young children is to dress them in one more layer of clothing than an adult would wear in the same conditions.

Keep cribs safe. Blankets, quilts, pillows, bumpers, sheepskins and other loose bedding may contribute to Sudden Infant Death Syndrome (SIDS) and should be kept out of an infant’s sleeping environment. Sleep clothing like one-piece sleepers or wearable blankets is preferred.

Be mindful of blankets. If a blanket must be used to keep a sleeping infant warm, it should be tucked in around the crib mattress, reaching only as far as your baby’s chest, so the infant’s face is less likely to become covered by bedding materials.